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Contents
Installation Operation Service Maintenance Limited Warranty DSSUHFLDWH\RXUFRQ¿GHQFHLQRXUSURGXFWVAmerican Water Heater 7KDQN\RXIRUEX\LQJWKLVHQHUJ\HI¿FLHQWZDWHUKHDWHUTable of Contents Safe INSTALLATION, USE and Service ApprovalsSRWHQWLDOHSRVXUHWRVXFKVXEVWDQFHV KHDWHUVFRYHUHGLQWKLVPDQXDOGeneral Safety Information PrecautionsGrounding Instructions Hydrogen GAS FlammableInstalling, using or servicing Water heater Fire or Explosion HazardPreparing for the Installation Qualified Installer or Service AgencyIntroduction Abbreviations UsedFeatures and Components Basic OperationTOP Views HCG3 120 & 150 Components 3RZHUHGDQRGHURGV7KHZDWHUKHDWHU¶VFRYHUHGLQWKLV HCG3 199 & 250 Components,QWDNHDLUFRQQHFWLRQLQFK39& Side Views  DWHURXWOHWSLSH´137FRQQHFWLRQ9HQWFRQQHFWLRQ HKDXVWHOERZ LQFK39& RQSDJHDQG&RQGHQVDWHUDLQ,QVWDOODWLRQRQSDJHInstallation Considerations Rough in DimensionsTOP Views FrontRecovery Capacities GAS Pressure RequirementsLocating the Water Heater GAS Line Connection SizeExtended Vent Terminations Optional Concentric TerminationsHard Water Circulation PumpsInstallation Requirements Power SupplyGAS Supply Systems Supply GAS RegulatorMixing Valves Dishwashing MachinesClosed Water Systems Thermal Expansion TEMPERATURE-PRESSURE Relief Valve Valve Discharge Pipe RequirementsCondensate Drain Combustible Material StorageContaminated AIR Condensate Drain Water TrapAIR Requirements Unconfined SpaceConfined Space Unusually Tight ConstructionFresh AIR Openings for Confined Spaces Outdoor AIR Through TWO OpeningsOutdoor AIR Through ONE Opening Outdoor AIR Through TWO Horizontal DuctsOutdoor AIR Through TWO Vertical Ducts AIR from Other Indoor SpacesRXWGRRUV6HHLJXUH WKDQLQFKHV FP Installation of Carbon Monoxide Detectors Commonwealth of Massachusetts InspectionApproved Carbon Monoxide Detectors SignageVenting Installation Power Vent ConfigurationGeneral Venting Information General Venting InstructionsHCG3 100T 199 & SUF 250 Intake AIR Connection INSPECT/ADJUST Intake AIR TEE FittingAdjustment Procedure Venting Requirements Direct Vent Installation Venting Installation SequencePower Vent Installation Supplied Installed Intake AIR Field Supplied Factory Installed Intake AIR ConnectionRemove for Direct Vent Pipe FieldVertical Termination Installation Vertical Terminations Installation Vertical Termination Direct VentVertical Terminations Flat Roof Clearance Field Supplied STRAP/SUPPORTSidewall Termination Installation Sidewall Termination InstallationSDVVWKURXJKWKHZDOO OHDVWLQFKHV FP 6HHLJXUHConcentric Termination Installation Concentric Termination Flat Roof ClearanceQDWLRQDOFRGHVPXVWEHPDLQWDLQHG VDPHORFDWLRQInch Concentric Termination Installation Inch Concentric Termination KITTWO Concentric Terminations Three Concentric TerminationsFour Concentric Terminations Eight Concentric TerminationsMultiple Concentric Termination Arrangements Two Concentric TerminationsEight Concentric Terminations JURXSVGHSHQGLQJRQDYDLODEOHVSDFHDirect Vent Horizontal Power Vent HorizontalVenting Arrangements Direct Vent Horizontal Concentric Direct Vent Vertical Vent Horizontal IntakeDirect Vent Horizontal Vent Vertical Intake Termination Clearances Sidewall Power Vent Power VentTermination Clearances Sidewall Direct Vent Direct VentWater Heater Installation Condensate Drain InstallationInstallation Notes Installation InstructionsSupply GAS Line Installation GAS Line SizingSupply GAS Line Sizing U. S. Units Supply GAS Line Sizing Metric UnitsGAS Line Connection GAS Line Leak TestingPurging Electrical Wiring Power Supply ConnectionsENABLE/DISABLE Circuit Connecting An External Supervisory ControlWater Piping Diagrams Water Line Connections Valve Discharge PipeThermometers not Supplied Water Potable Heating and Space HeatingTemperature Regulation High Temperature Limit Control ECOHigh Temperature Applications Thermostat ControlControl System Operation OverviewControl System Navigation Menu HelpStatus Icons Icon DescriptionOperating States State DescriptionControl System Menus Menu DescriptionBack Help User Settings & Control System MenusUpdate Cancel Change Back Help Elapsed Time Day 0 hrs 0 minsBurner On Time Hrs 22 minsBack Advanced View Back HelpECO YesnoUpdate Select Back HelpName Your Company Name HereInitial Start UP Start UPPrior to Start UP GAS Valve / Venturi Assembly TOP View GAS Valve TOP ViewGAS Valve Side View GAS Valve TOP Detail ViewSupply GAS Pressure Adjustment Multiple Water Heater InstallationsManifold GAS Pressure Adjustment PDQXDOIRUIXUWKHUDVVLVWDQFHChecking the Firing Rate High Altitude Installations ‡  VHFRQGVLQRQHKRXUTo Turn OFF GAS FLUFXPVWDQFHVOn/Off Switch Lighting the Water HeaterLighting & Operation Labels DQGRSHUDWLQJWKHZDWHUKHDWHUMenu Help Tank Temperature 103F Operating Set Point 120FDo not TRY to Light the Burner by Hand Troubleshooting Installation Checklist Sequence of OperationSequence of Operation Flow Chart YES noOperational Problems Installation ErrorsRough STARTING, Rough Operation Momentary IgnitionFault and Alert Conditions Heater Information menu see Heater Information on Possible Causes CHECK/REPAIR Displayed FAULT/ALERT MessageBack Advanced Blower Prover Failure No Anode VoltageDraining and Flushing MaintenanceGeneral Maintenance Schedule Filling the Water Heater Sediment RemovalLime Scale Removal Manual Lime Scale RemovalPowered Anode Rods Drain Valve and Access PanelsTEMPERATURE-PRESSURE Relief Valve Test Vent SystemDiagrams S1 DipswitchCCB Central Control Board Layout Changing Number of Ignition Trials Before Lock OUTHCG3 120 & 150 Wiring Diagram Transformer 50VAON/OFF Ground VAC Neutral VAC HOTGround Strip Burner Ground Inside CCB Burner Bolt Enclosure HCG3 199 & 250 Wiring Diagram11 on J6 Plug Circulation Pump Wiring Diagrams Water Piping Diagrams Line Temperature Control HOT Water ReturnHOT Water Outlet Pipe T&P to Open Drain Finished Floor Cold Water Supply Expansion Tank6HH&ORVHG6\VWHPVDQG7KHUPDOSDQVLRQRQSDJH 6HHDWHU/LQH&RQQHFWLRQVRQSDJHHIRUHLQVWDOODWLRQRIZDWHUSLSLQJUHYLHZWKHIROORZLQJ 6HH0LLQJ9DOYHVRQSDJHPipe T&P to Open Drain Finished Floor Storage TankHOT Water Outlet Storage Tanktemperature Water Piping Diagrams Open Drain HOT Water Return Cold Water Supply Expansion Tank Full Port Ball Valve Temperature & PressureHOT Water Outlet Pipe T&P to Open Drain Finished Floor 6&XVWRPHUV Page ZZZDPHULFDQZDWHUKHDWHUFRP
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